<template>
  <div class="list" ref="wrapper">
    <div>
      <div class="area">
        <div class="title border-topbottom">当前城市</div>
        <div class="button-list">
          <div class="button-wrapper">
            <div class="button">{{ this.currentCity }}</div>
          </div>
        </div>
      </div>
      <div class="area">
        <div class="title border-topbottom">热门城市</div>
        <div class="button-list">
          <div
            class="button-wrapper"
            v-for="item in hot"
            :key="item.id"
            @click="handleCityClick(item.name)"
          >
            <div class="button">{{ item.name }}</div>
          </div>
        </div>
      </div>
      <div class="area"
           v-for="(item, key) in cities"
           :ref="key"
           :key="key">
        <div class="title border-topbottom">{{ key }}</div>
        <div class="item-list">
          <div class="item border-bottom" v-for="innerItem in item"
               :key="innerItem.id" @click="handleCityClick(innerItem.name)">{{ innerItem.name }}
          </div>
        </div>
      </div>

    </div>
  </div>
</template>

<script>
import Bscroll from 'better-scroll'
import {mapState, mapMutations} from "vuex";

export default {
  name: 'CityList',
  props: {
    hot: Array,
    cities: Object,
    letter: String,
  },
  computed: {
    ...mapState({
      currentCity: 'cityL'
    }),

  },
  data() {
    return {
      msg: '新建模板'
    }
  },
  mounted() {
    this.scroll = new Bscroll(this.$refs.wrapper)
  },
  watch: {
    letter() {
      if (this.letter) {
        const element = this.$refs[this.letter][0]
        // console.log(element)
        this.scroll.scrollToElement(element)
      }
      // console.log(this.letter)
    }
  },
  methods: {
    handleCityClick(city) {
      this.changeCity(city)
      // this.$store.commit('changeCity', city)
      this.$router.push('/')

      // console.log(city)
    },
    ...mapMutations(['changeCity'])

  },

}
</script>

<style lang="stylus" scoped>
@import "~styles/varibles.styl"
.border-topbottom
  &:before
    border-color #ccc

  &:after
    border-color #ccc

.border-bottom
  &:before
    border-color #ccc

.list
  overflow: hidden
  position absolute
  top 1.58rem
  left 0
  right 0
  bottom 0

  .title
    line-height .45rem
    background #eee
    padding-left .2rem
    color #666
    font-size .26rem

  .button-list
    overflow hidden
    padding .1rem .6rem .1rem .1rem

    .button-wrapper
      float left
      width 33.33%

      .button
        margin .1rem
        padding .1rem 0
        text-align center
        border .02rem solid #ccc
        border-radius .06rem

  .item-list
    .item
      line-height .76rem
      color #666
      padding-left .2rem
</style>


















